CN206491817U - Ultrasonic bone density probe and its casting mold are launched/received to a kind of multichannel - Google Patents
Ultrasonic bone density probe and its casting mold are launched/received to a kind of multichannel Download PDFInfo
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- CN206491817U CN206491817U CN201621301023.7U CN201621301023U CN206491817U CN 206491817 U CN206491817 U CN 206491817U CN 201621301023 U CN201621301023 U CN 201621301023U CN 206491817 U CN206491817 U CN 206491817U
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Abstract
Launch/receive ultrasonic bone density probe and its casting mold the utility model discloses a kind of multichannel；What the probe included that probing shell and being encapsulated in constitutes sound head part in the probing shell tiltedly splits matching layer, piezoelectric chip, back sheet and sound insulating layer, and the tail end of probing shell leads to the contact conductor electrically connected with the piezoelectric chip of sound head part；Sound head part is provided with screen layer by casting mold moulding by casting, the peripheric surface of sound insulating layer.Its casting mold support baseboard, two side blocks and tiltedly split the assembling that matches of matching layer module and cover plate and constitute；The utility model utilizes high-precision casting mold by the sound head part of probe by moulding by casting, and piezoelectric chip realizes bonding by way of cast.With technique is simple, product qualification rate is high, performance leans on the characteristics of property and service life are long.
Description
Technical field
The utility model is related to medical instruments field, particularly for detecting human body radius, phalanges, shin bone etc. bone density
A kind of ultrasonic probe, specifically a kind of multichannel launch/receive ultrasonic bone density probe and its casting mold.
Background technology
The detection of human bone mineral density and bone health situation is carried out using ultrasonic technique and measured gradually by people
Receive.Compared to detection methods such as traditional double X-ray absorption methods, quantitive CTs, ultrasonic technique has cheap, easy to use
And it is radiationless many advantages, such as.It is different according to measuring method, it is conventional at present there is single Probe Ultrasonic Searching echo method, a hair one to receive, it is many
The many receipts of hair and array probe method of testing etc..Wherein launch/receive bone density ultrasound using the multichannel of side wave principle to visit
Head, due to that can measure the bone density of radius, phalanges, shin bone etc., corresponding Measuring machine of BMD is easy to carry, measurement letter
The advantages of single, cost is low, measurement is accurate, in each hospital, popularization is got up.
There is side wave ultrasonic bone density probe multi-acoustical to launch and receive chip, it is desirable to which spacing is accurate between each chip,
Single wafer angle of inclination is precisely consistent.It is as shown in Figure 1 the manufacture craft of the probe of side wave ultrasonic bone density in the prior art, its
Matching layer is tiltedly split using first processing more than technique, then carries out the technological process of bonding wafer and backing cast.This technique is due to oblique
Split matching layer material must using the high-molecular organic material that is closer to human body acoustic impedance, therefore in process and
After machine-shaping, tiltedly split matching layer easily environment temperature, later processing operation and product using etc. change under factor and set originally
The geometric parameter of meter, causes chip spacing and angle change, influence properties of product and product qualification rate.
The content of the invention
Technical problem to be solved in the utility model be in view of the above-mentioned state of the art, and provide have production work
Skill is advanced, product qualification rate is high, ultrasonic bone density probe is launched/received to a kind of highly sensitive, high reliability multichannel and its pours
Injection molding has.
The utility model solve the technical scheme that is used of above-mentioned technical problem for：A kind of multichannel transmitting/reception ultrasound
Bone density is popped one's head in, including probing shell and being encapsulated in constitute sound head part in the probing shell tiltedly split matching layer, piezo crystals
Piece, back sheet and sound insulating layer, the tail end of probing shell lead to the contact conductor electrically connected with the piezoelectric chip of sound head part；Sound
Head point is obliquely poured into a mould to be encapsulated in and tiltedly split between matching layer and back sheet by casting mold moulding by casting, piezoelectric chip, should
Piezoelectric chip is included tiltedly to split transmission piezoelectric chip and reception piezoelectric chip that the longitudinal axis of matching layer is set as symmetry axis, sound insulation
The cast of layer longitudinal direction, which is packaged in, tiltedly splits in matching layer and back sheet and barrier in transmission piezoelectric chip and is received between piezoelectric chip, every
The peripheric surface of sound layer is provided with screen layer, tiltedly splits and two transmission piezoelectric chips is packaged between matching layer and back sheet and two connect
Receive piezoelectric chip and constitute double channel ultrasonic sonde configurations for receiving double hairs, contact conductor includes positive electrode lead and negative electrode draws
The upper surface of line, the upper surface of each transmission piezoelectric chip and each reception piezoelectric chip is respectively connected with a positive electrode lead,
The lower surface of the lower surface of each transmission piezoelectric chip and each reception piezoelectric chip is respectively connected with positive electrode corresponding to its
Lead constitutes the negative electrode lead of electrical circuit.
For optimization above-mentioned technical proposal, the measure taken also includes：
Between its corresponding reception central axis for receiving piezoelectric chip of launching centre axis of each transmission piezoelectric chip
Slanted angle be 20 degree to 110 degree.
The utility model additionally provides the casting mold that ultrasonic bone density probe is launched/received to a kind of multichannel, the cast
Mould is by a rectangular support baseboard, two side blocks and tiltedly splits matching layer module and cover plate is constituted；Both sides side bumper
The corresponding left and right ends for being fixed on support baseboard upper face of block, tiltedly split matching layer module and are removedly fitted on support baseboard
The front end of plate face, and tiltedly split the part of medial surface left and right ends of matching layer module and be close to the block front end face of side block
It is engaged, the medial surface for tiltedly splitting matching layer module is located at the part between two side blocks tiltedly to split type face, and this tiltedly splits type face
Center be machined with screen layer positioning die cavity, tiltedly split on type face to be located on the left of screen layer positioning die cavity and be machined with and be accurately positioned two
Transmission piezoelectric crystalline substance distance between commutator segments and the oblique right in the face of transmitting at transmitting inclination angle, tiltedly split the right side for positioning die cavity positioned at screen layer on type face and add
Work has the oblique right in the face of reception for being accurately positioned two reception piezo crystals distance between commutator segments and receiving inclination angle；Tiltedly split the height of matching layer module with
The height of two side blocks is equal, and the lid that cover plate can be dismantled fits over the upper surface of two side blocks and tiltedly splits matching layer module
The upper surface upper fitting surface that is formed on, support baseboard, two side blocks and tiltedly split matching layer module and cover plate is surrounded
Cavity constitutes backing die cavity of the cast with certain thickness back sheet；The space shared by matching layer module is tiltedly split tiltedly to split matching
Stratotype chamber.
The upper surface insertion of above-mentioned side block is machined with two and is fixedly connected by block bolt with support baseboard
Positioning hole, two positioning holes are distributed in the upper surface of side block in diagonal.
The upper surface of above-mentioned side block is machined with the connecting hole for assembling cover plate, be correspondingly machined with cover plate with
The cover plate bolt hole that the connecting hole of side block is engaged.
The block front end face of above-mentioned side block is machined with front end face positioning hole, tiltedly split be machined with matching layer module it is logical
Cross and tiltedly split the module bolt hole that bolt is fixedly connected with the front end face positioning hole.
Compared with prior art, the sound head part of the utility model ultrasonic bone density probe is used by casting mold pours into a mould
Technique is completed, and piezoelectric chip is obliquely poured into a mould to be encapsulated in and tiltedly split between matching layer and back sheet, and piezoelectric chip includes transmitting
Piezoelectric chip and piezoelectric chip is received, sound insulating layer cast, which is packaged in, tiltedly splits in matching layer and back sheet and barrier is brilliant in transmission piezoelectric
Piece and receive between piezoelectric chip, the peripheric surface of sound insulating layer is provided with screen layer, the upper surface of each transmission piezoelectric chip and every
The upper surface of one reception piezoelectric chip is respectively connected with a positive electrode lead, the lower surface of each transmission piezoelectric chip and each connects
The lower surface for receiving piezoelectric chip is respectively connected with the negative electrode lead that positive electrode lead corresponding to its constitutes electrical circuit.This practicality
New casting mold is by support baseboard, side block and tiltedly splits matching layer module and cover plate is constituted；The utility model passes through
High-precision casting mold ensure that the distance between each piezoelectric chip and inclination angle, and piezoelectric chip and tiltedly split matching layer and
Bonding glue-line is not present between backing, but bonding is realized by way of cast.The utility model manufacture craft is simple, can have
Effect improves qualification rate, reliability and the service life of product.
Brief description of the drawings
Fig. 1 is the process flow diagram of ultrasonic bone density probe in the prior art；
Fig. 2 is the structural representation of the utility model ultrasonic bone density probe；
Fig. 3 is the structural representation of the utility model sound head part；
Fig. 4 is the structural representation of the utility model casting mold；
Fig. 5 is the oblique structural representation for splitting matching layer module in Fig. 4.
Embodiment
Embodiment of the present utility model is described in further detail below in conjunction with accompanying drawing.
The utility model Fig. 2 reference is：Longitudinal axis L, slanted angle Ψ, probing shell 1, tiltedly split matching layer 2, pressure
Electric chip 3, transmission piezoelectric chip 31, reception piezoelectric chip 32, back sheet 4, sound insulating layer 5, screen layer 6, contact conductor 7, positive electricity
Pole lead 71, negative electrode lead 72.
The utility model Fig. 3 reference is：Positioning hole D1, connecting hole D2, cover plate bolt hole D3, module bolt hole
D4, screen layer positioning die cavity K, launch oblique right in the face P1, receive oblique right in the face P2, backing die cavity Q, support baseboard M1, side block M2,
Tiltedly split matching layer module M3, cover plate M4.
Fig. 2 is structural representation of the present utility model, as illustrated, a kind of multichannel transmitting/reception of the utility model is super
Sound bone density is popped one's head in, including probing shell 1 and being encapsulated in constitute sound head part in the probing shell tiltedly split matching layer 2, pressure
Electric chip 3, back sheet 4 and sound insulating layer 5, the tail end of probing shell 1 lead to the electricity electrically connected with the piezoelectric chip of sound head part
Pole lead 7；Many contact conductors 7 constitute mask bus and drawn from the tail end of probing shell 1, the sound head part in probing shell 1
By casting mold moulding by casting, the distance between piezoelectric chip and inclination angle, piezo crystals are ensured by high-precision casting mold
Piece is obliquely poured into a mould to be encapsulated in and tiltedly split between matching layer 2 and back sheet 4, and the piezoelectric chip 3 includes tiltedly splitting the longitudinal axis of matching layer 2
Line L is the transmission piezoelectric chip 31 that symmetry axis is set and receives piezoelectric chip 32, and the cast of the longitudinal direction of sound insulating layer 5, which is packaged in, tiltedly splits matching
Simultaneously barrier is between transmission piezoelectric chip 31 and reception piezoelectric chip 32 in layer 2 and back sheet 4, to prevent from disturbing and improving probe
Sensitivity and stability, the peripheric surface of sound insulating layer 5 is provided with screen layer 6.The utility model is multichannel transmitting/reception ultrasound
Bone density is popped one's head in, therefore of the present utility model tiltedly split is packaged with two Hes of transmission piezoelectric chip 31 between matching layer 2 and back sheet 4
Two reception piezoelectric chips 32, so as to constitute double channel ultrasonic sonde configurations for receiving double hairdos, contact conductor 7 includes being used for shape
Into the positive electrode lead 71 and negative electrode lead 72 of electrical circuit.It can be seen in figure 3 that each transmission piezoelectric of the present utility model
The upper surface of chip 31 and the upper surface of each reception piezoelectric chip 32 are respectively connected with a positive electrode lead 71, each transmitting pressure
The lower surface of the lower surface of electric chip 31 and each reception piezoelectric chip 32 is respectively connected with positive electrode lead 71 corresponding to its
Constitute the negative electrode lead 72 of electrical circuit.
Fig. 1 is the production technology of ultrasonic bone density probe in the prior art, and it is first to process tiltedly to split matching layer, then will
Piezoelectric chip is fixed on by gluing mode and tiltedly split on matching layer, and the technological process of back sheet cast is finally carried out again.It is this
Technique makes tiltedly to split matching layer and easily changes designed originally several in the case where environment temperature, later processing operation and product such as use at the factor
What parameter, causes the spacing between piezoelectric chip and angle of inclination to change, so that the performance and product that have impact on product are closed
Lattice rate.
Maximum feature of the present utility model is to utilize high-precision casting mold, the sound head part that ultrasonic bone density is popped one's head in
By moulding by casting, distance and inclination angle can not only be ensured between each transmission piezoelectric chip and each received between piezoelectric chip
Distance and inclination angle, and piezoelectric chip and oblique split need not be gluing between matching layer and back sheet, therefore in the absence of bonded adhesives
Layer, piezoelectric chip realizes bonding by way of cast.The utility model manufacture craft is simple, can effectively improve the qualified of product
Rate, reliability and service life.
In embodiment, as shown in Fig. 2 the launching centre axis and its phase of each transmission piezoelectric chip 31 of the present utility model
Slanted angle Ψ between the reception central axis for the reception piezoelectric chip 32 answered is 20 degree to 110 degree.Hair of the present utility model
I.e. penetrating central axis is determined by the angle of inclination of the inclination angle transmission piezoelectric chip 31 of transmission piezoelectric chip 31, is similarly connect
It is then that the angle of inclination for namely receiving piezoelectric chip 32 by the inclination angle of reception piezoelectric chip 32 is determined to receive central axis.
Fig. 4 is the casting mold that ultrasonic bone density probe is launched/received to a kind of multichannel disclosed in the utility model, from figure
It can see in 4, the casting mold is by a rectangular support baseboard M1, two side block M2 and tiltedly splits matching layer mould
Block M3 and cover plate M4, which matches to assemble, to be constituted；The both sides corresponding left and right ends for being fixed on support baseboard M1 upper faces of side bumper block M2,
I.e. one side block M2 is fixed on the left end on support baseboard M1 upper faces, and another side block M2 is fixed on support baseboard
Right-hand member on M1 upper faces, tiltedly splits the front end that matching layer module M3 is removedly fitted on support baseboard M1 upper faces, and
The part for the medial surface left and right ends for tiltedly splitting matching layer module M3 is close to be engaged with side block M2 block front end face, such as schemes
Shown in 5, the medial surface for tiltedly splitting matching layer module M3 is located at the part between two side blocks tiltedly to split type face, and this tiltedly splits type face
Center be machined with screen layer positioning die cavity K, tiltedly split to be located to be machined with the left of screen layer positioning die cavity K on type face and be accurately positioned
The oblique right in the face P1 of transmitting at distance and transmitting inclination angle between two transmission piezoelectric chips 31, that is to say, that between two transmission piezoelectric chips 31
Distance, and the angle of inclination of transmission piezoelectric chip 31 is determined by launching oblique right in the face P1, is tiltedly split and is located at shielding on type face
It is machined with the right side of layer positioning die cavity K and is accurately positioned distance and the oblique right in the face of reception for receiving inclination angle between two reception piezoelectric chips 32
P2；Similarly, that is to say, that two receive the distance between piezoelectric chips 32, and receive piezoelectric chip 32 angle of inclination be all by
Receive what oblique right in the face P2 was determined, the height for tiltedly splitting matching layer module M3 is equal with two side block M2 height, cover plate M4 energy
The lid of dismounting fits over two side block M2 upper surface and tiltedly split on the upper fitting surface that matching layer module M3 upper surface is formed,
Support baseboard M1, two side block M2 and tiltedly split the cavity that matching layer module M3 and cover plate M4 surround and constitute cast and have
The backing die cavity Q of certain thickness back sheet 4；The space shared by matching layer module M3 is tiltedly split tiltedly to split matching layer die cavity.
Side block M2 upper surface insertion is machined with two by block bolt and determining that support baseboard M1 is fixedly connected
Hole D1, two positioning hole D1 are distributed in side block M2 upper surface in diagonal for position.
Side block M2 upper surface is machined with the connecting hole D2 for assembling cover plate M4, is correspondingly machined with cover plate M4
The cover plate bolt hole D3 being engaged with side block M2 connecting hole D2.
Side block M2 block front end face is machined with front end face positioning hole, tiltedly splits to be machined with matching layer module M3 and passes through
Tiltedly split the module bolt hole D4 that bolt is fixedly connected with the front end face positioning hole.
The utility model additionally provides the cast side that the casting mold of ultrasonic bone density probe is launched/received to a kind of multichannel
Method, the pouring procedure comprises the following steps：
1), two side block M2 are bolted to the respective end of support baseboard M1 upper faces using block, then will
Matching layer module M3 is tiltedly split to be placed on the front end of support baseboard M1 upper faces and fix with side block M2 phases using tiltedly bolt is split；
2), two correspondences of transmission piezoelectric chip 31 are placed on to two oblique right in the face P1 of transmitting for tiltedly splitting matching layer module M3 processing
On, and by positive electrode lead 71 and negative electrode lead 72 correspondence be connected with the upper and lower surface of transmission piezoelectric chip 31 after draw
Go out, while two reception piezoelectric chips 32 to be accordingly placed on to two oblique right in the face P2 of reception for tiltedly splitting matching layer module M3 processing
On, and positive electrode lead 71 and the correspondence of negative electrode lead 72 are drawn with receiving after the upper and lower surface of piezoelectric chip 32 is connected
Go out；
3) positioning of screen layer 6, is placed in screen layer positioning die cavity K, and the placement sound insulating layer 5 in screen layer 6；
4), cover plate M4 is fixedly connected using cover plate bolt with side block M2, makes support baseboard M1, two side blocks
M2 and tiltedly split matching layer module M3 and cover plate M4 and surround the backing die cavity Q with rear aperture；
5) back lining materials, are poured into a mould into backing die cavity Q at rear aperture, are solidify to form in back lining materials with certain thick
While back sheet 4 of degree；Make two transmission piezoelectric chips 31 distance and transmitting inclination angle essence as determined by the two oblique right in the face P1 of transmitting
Really it is being fixed on back sheet 4, two receive piezoelectric chip 32 distance and reception inclination angle essence as determined by two receive oblique right in the face P2
Really it is fixed on back sheet 4；
6) after the completion of, treating that back sheet 4 solidifies, split matching layer module M3 by cover plate M4 and tiltedly successively and pull down, then again will lid
Plate M4 is ressembled, and tiltedly splits matching layer material in the home position cast for tiltedly splitting matching layer module M3；
7), after tiltedly splitting matching layer material solidification and being formed and tiltedly split matching layer 2, that is, the making of sound head part is completed；
8), cover plate M4 is pulled down again, take out complete sound head partial encapsulation in produced in probing shell 1 multichannel hair
Penetrate/receive ultrasonic bone density probe.
Above content is further detailed description of the utility model, for technical field described in the utility model
Those of ordinary skill for, on the premise of the utility model basic thought is not departed from, can also make some other simple
Modification and replacement, should all be regarded as belonging to protection domain of the present utility model.
Claims (6)
1. ultrasonic bone density probe is launched/received to a kind of multichannel, including probing shell (1) and is encapsulated in the probing shell
Constitute sound head part tiltedly splits matching layer (2), piezoelectric chip, back sheet (4) and sound insulating layer (5), the tail of the probing shell (1)
End leads to the contact conductor electrically connected with the piezoelectric chip of sound head part；It is characterized in that：Described sound head part passes through cast
Die casting is molded, and described piezoelectric chip is obliquely poured into a mould to be encapsulated in and tiltedly split between matching layer (2) and back sheet (4), the pressure
Electric chip includes tiltedly splitting the transmission piezoelectric chip (31) and reception piezoelectricity that the longitudinal axis (L) of matching layer (2) is set for symmetry axis
Chip (32), longitudinally cast is packaged in and tiltedly split in matching layer (2) and back sheet (4) and barrier is being launched for described sound insulating layer (5)
Between piezoelectric chip (31) and reception piezoelectric chip (32), the peripheric surface of described sound insulating layer (5) is provided with screen layer (6), institute
Tiltedly splitting for stating is packaged with two transmission piezoelectric chips (31) and two reception piezoelectric chips between matching layer (2) and back sheet (4)
(32) double channel ultrasonic sonde configurations for receiving double hairs are constituted, described contact conductor includes positive electrode lead (71) and negative electrode
Lead (72), the upper surface of each described transmission piezoelectric chip (31) and the upper table of each described reception piezoelectric chip (32)
Face is respectively connected with a positive electrode lead (71), the lower surface of each described transmission piezoelectric chip (31) and each described connects
The negative electrode that the lower surface of receipts piezoelectric chip (32) is respectively connected with positive electrode lead (71) composition electrical circuit corresponding to its draws
Line (72).
2. ultrasonic bone density probe is launched/received to a kind of multichannel according to claim 1, it is characterized in that：It is each described
Transmission piezoelectric chip (31) launching centre axis it is its corresponding receive piezoelectric chip (32) receive central axis between
Slanted angle (Ψ) is 20 degree to 110 degree.
3. the casting mold of ultrasonic bone density probe is launched/received to a kind of multichannel as claimed in claim 2, it is characterized in that：
Described casting mold is by a rectangular support baseboard (M1), two side blocks (M2) and tiltedly splits matching layer module
(M3) constituted with cover plate (M4)；The corresponding left and right two for being fixed on support baseboard (M1) upper face of side block (M2) described in two
End, described tiltedly splitting matching layer module (M3) is removedly fitted in the front end of support baseboard (M1) upper face, and tiltedly splits
The part of medial surface left and right ends with layer module (M3) is close to be engaged with the block front end face of side block (M2), described oblique
The medial surface for splitting matching layer module (M3) is located at the part between two side blocks tiltedly to split type face, and this tiltedly splits the center in type face
Screen layer positioning die cavity (K) is machined with, tiltedly splits to be located to be machined with the left of screen layer positioning die cavity (K) on type face and is accurately positioned two
The oblique right in the face of transmitting (P1) at distance and transmitting inclination angle between transmission piezoelectric chip (31), tiltedly splits and is located at screen layer positioning die cavity on type face
(K) it is machined with the right side of and is accurately positioned distance and the oblique right in the face of reception (P2) for receiving inclination angle between two reception piezoelectric chips (32)；Institute
The height for tiltedly splitting matching layer module (M3) stated is equal with the height of two side blocks (M2), and described cover plate (M4) can be dismantled
Lid fit over two side blocks (M2) upper surface and tiltedly split matching layer module (M3) upper surface formed upper fitting surface on,
Described support baseboard (M1), two side blocks (M2) and tiltedly split the cavity that matching layer module (M3) and cover plate (M4) are surrounded
Constitute backing die cavity (Q) of the cast with certain thickness back sheet (4)；The described sky tiltedly split shared by matching layer module (M3)
Between be tiltedly to split matching layer die cavity.
4. the casting mold of ultrasonic bone density probe, its feature are launched/received to a kind of multichannel according to claim 3
It is：The upper surface insertion of described side block (M2) is machined with two and is fixedly connected by block bolt with support baseboard (M1)
Positioning hole (D1), positioning hole (D1) described in two is distributed in the upper surface of side block (M2) in diagonal.
5. the casting mold of ultrasonic bone density probe is launched/received to a kind of multichannel as claimed in claim 4, it is characterized in that：
The upper surface of described side block (M2) is machined with the connecting hole (D2) for assembling cover plate (M4), correspondingly described cover plate
(M4) the cover plate bolt hole (D3) being engaged with the connecting hole (D2) of side block (M2) is machined with.
6. the casting mold of ultrasonic bone density probe, its feature are launched/received to a kind of multichannel according to claim 5
It is：The block front end face of described side block (M2) is machined with front end face positioning hole, and described tiltedly splits matching layer module (M3)
On be machined with by tiltedly splitting the module bolt hole (D4) that bolt and the front end face positioning hole are fixedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621301023.7U CN206491817U (en) | 2016-11-30 | 2016-11-30 | Ultrasonic bone density probe and its casting mold are launched/received to a kind of multichannel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621301023.7U CN206491817U (en) | 2016-11-30 | 2016-11-30 | Ultrasonic bone density probe and its casting mold are launched/received to a kind of multichannel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206491817U true CN206491817U (en) | 2017-09-15 |
Family
ID=59801269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621301023.7U Withdrawn - After Issue CN206491817U (en) | 2016-11-30 | 2016-11-30 | Ultrasonic bone density probe and its casting mold are launched/received to a kind of multichannel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206491817U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106725611A (en) * | 2016-11-30 | 2017-05-31 | 河北奥索电子科技有限公司 | Ultrasonic bone density probe and preparation method thereof is launched/received to a kind of multichannel |
-
2016
- 2016-11-30 CN CN201621301023.7U patent/CN206491817U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106725611A (en) * | 2016-11-30 | 2017-05-31 | 河北奥索电子科技有限公司 | Ultrasonic bone density probe and preparation method thereof is launched/received to a kind of multichannel |
| CN106725611B (en) * | 2016-11-30 | 2023-07-14 | 河北奥索电子科技有限公司 | Multichannel transmitting/receiving ultrasonic bone mineral density probe and manufacturing method thereof |
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Granted publication date: 20170915 Effective date of abandoning: 20230714 |